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Scenario practice questions

Practise Palo Alto Networks Certified Network Security Administrator PCNSA Scenario practice questions — original exam-style scenarios with answer choices, explanations, and analysis of common mistakes.

Courseiva uses original exam-style practice questions designed for learning and revision. The goal is to understand the concepts, recognise exam patterns, and improve through explanations — not memorise copied exam dumps.

Reviewed byJohnson Ajibi· MSc IT Security
15 questionsDomain: Scenario
Practice 10 questionsBrowse domain →

What the exam tests

What to know about Scenario

Scenario questions test whether you can apply the concept in context, not just recognise a definition.

How the topic appears in realistic exam-style scenarios.

Which detail in the question changes the correct answer.

How to eliminate plausible but wrong options.

How to connect the question back to the wider exam objective.

Watch out for

Common Scenario exam traps

  • ▸Answering from memory before reading the full scenario.
  • ▸Missing a constraint such as cost, availability, security, scope or command context.
  • ▸Choosing a broad answer when the question asks for the most specific fix.
  • ▸Ignoring why the wrong options are tempting.

Practice set

Scenario questions

15 questions · select your answer, then reveal the explanation

Question 1mediummultiple choice
Read the full Scenario explanation →

What is the most likely reason the traffic is being denied?

Exhibit

Refer to the exhibit.

Application Command Center
Name: myapp
Category: business-systems
Subcategory: file-sharing
Technology: peer-to-peer
Risk: 4
Characteristics: evasive-behavior, used-by-malware, excessive-bandwidth

Security Policy Rule:
Source: any
Destination: any
Application: myapp
Action: allow
Profile: default

Logs show traffic matching this rule is being denied with action 'reset-both'.
Question 2easymultiple choice
Read the full Scenario explanation →

A network admin needs to push a security policy change to firewall-01 and firewall-02. Both firewalls have different interface configurations but should share the same security rules. What is the best way to achieve this using Panorama?

Question 3hardmultiple choice
Read the full Scenario explanation →

An administrator makes several changes to the firewall configuration and commits. However, after the commit, users report connectivity issues. The administrator wants to revert to the previous configuration quickly without losing the changes that were made earlier in the day but not yet committed. What should the administrator do?

Question 4mediummultiple choice
Review the full routing breakdown →

Refer to the exhibit. A firewall has learned three routes for the 10.0.1.0/24 network. Which route will be used for forwarding traffic destined to 10.0.1.1?

Exhibit

Refer to the exhibit.

show routing route 10.0.1.0/24

vr: default
10.0.1.0/24
  via 10.0.0.2, interface ethernet1/3, metric 10, preference 10, route-type static
  via 10.0.0.3, interface ethernet1/4, metric 20, preference 10, route-type static
  via 10.0.0.4, interface ethernet1/5, metric 10, preference 30, route-type ospf
Question 5hardmultiple choice
Review the full subnetting walkthrough →

A company has a Palo Alto Networks firewall with multiple virtual routers. The security policy has a rule that allows SSH from the 'Internal' zone to the 'DMZ' zone. Recently, a new subnet 10.10.20.0/24 was added to the Internal zone. Users in that subnet report they cannot SSH to a server at 192.168.1.10 in the DMZ, while users from other subnets in Internal can. The rule has source address object '10.0.0.0/8' which includes the new subnet. The rule's source zone is Internal, destination zone is DMZ, and application is SSH. The administrator confirms the new subnet's IPs are within 10.0.0.0/8. What is the most likely cause of the problem?

Question 6easymultiple choice
Read the full Scenario explanation →

Two Palo Alto Networks firewalls are deployed in an active/passive high availability pair. The passive firewall does not synchronize configuration changes. What is the most likely cause?

Question 7mediummultiple choice
Read the full Scenario explanation →

A company is using Security Profiles (Antivirus, Anti-Spyware, Vulnerability Protection) in their security policies. Malware is still getting through. What is a common misconfiguration that could cause this?

Question 8mediummultiple choice
Review the full subnetting walkthrough →

A network administrator notices that traffic from a specific subnet is being denied even though there is a permit rule that matches the source and destination. The rulebase has over 500 rules. What is the most likely cause?

Question 9easymultiple choice
Open the full VLAN trunking answer →

A company wants to deploy a new firewall with a management interface on a separate VLAN to ensure management traffic is isolated from production traffic. Which interface type should be used for management access?

Question 10easymultiple choice
Read the full Scenario explanation →

A security administrator needs to inspect traffic to a critical web server that uses HTTPS. The firewall is configured as a forward proxy for outbound traffic. Which decryption type should be used to decrypt the traffic inbound to the web server?

Question 11hardmultiple choice
Read the full Scenario explanation →

An administrator notices that traffic from a specific IP 10.10.10.5 is not matching the expected security rule that should allow HTTP traffic. The rule uses a source address object defined as '10.10.10.0/24'. Upon investigation, the administrator finds that the traffic is from IP 10.10.10.5, but the rule still does not match. What is the most likely cause?

Question 12mediummultiple choice
Review the full subnetting walkthrough →

A security administrator notices that traffic from a specific subnet is not being logged in the Traffic logs, although the traffic is allowed by a security policy rule. Which configuration setting should be verified?

Question 13mediummultiple choice
Read the full Scenario explanation →

A company uses App-ID to control cloud storage applications. Users report that uploads to Google Drive are blocked even though a rule allows 'google-drive-base'. What is the most likely cause?

Question 14mediummultiple choice
Read the full Scenario explanation →

An administrator needs to create a rule that allows internal users to access a public web server hosted in the DMZ. The firewall is in layer 3 mode. Which rule configuration is correct for this scenario?

Question 15hardmultiple choice
Read the full Scenario explanation →

After a security policy change, users complain that they cannot upload files to a custom web application. The rule allows the custom application 'webapp' and Content-ID is enabled. What is the most likely cause?

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Focused Scenario sessions

Start a Scenario only practice session

Every question in these sessions is drawn from the Scenario domain — nothing else.

10 questions20 questions30 questions50 questions
Browse all Scenario questions →Mixed PCNSA session

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Frequently asked questions

What does the PCNSA exam test about Scenario?
Scenario questions test whether you can apply the concept in context, not just recognise a definition.
How should I use these practice questions?
Select your answer before revealing the explanation. Then read why each option is right or wrong — this active recall approach builds retention far faster than re-reading notes.
Can I practise just Scenario questions in a focused session?
Yes — the session launcher on this page draws every question from the Scenario domain. Use a 10-question session first to gauge your baseline, then move to 20 or 30 once the weak spots are clear.
Where can I practise other PCNSA topics?
Use the topic links above to move to related areas, or go back to the PCNSA question bank to see all topics.
Are these real exam questions or dumps?
These are original practice questions written to test the same concepts the PCNSA exam covers. They are not copied from any real exam or dump site.